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FDMQ09RVJU
Daikin FDMQ09RVJU User Manual
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Service
Manual
Inverter Pair
Duct Connected Type
FDMQ-R Series
SiUS071735EB
[Applied Models]
Inve
rter P
air : Heat P
ump
2
Table of Contents
Table of Contents
3
Safety Cautions
6
Warnings and Cautions Regarding Safety of Workers
6
Warnings and Cautions Regarding Safety of Users
8
Icons Used
11
Part 1 List of Functions
12
Functions
13
Part 2 Specifications
14
Specifications
15
Part 3 Printed Circuit Board Connector Wiring Diagram
20
Indoor Unit
21
Fdmq09/12/15/18/24Rvju
21
Wired Remote Controller
23
Brc1E73
23
Wireless Remote Controller Receiver
24
Brc082A43
24
Outdoor Unit
25
Rx09/12R
25
Rx15/18/24R
26
Part 4 Functions and Control
27
Main Functions
28
Temperature Control
28
Frequency Principle
28
Fan Speed Control for Indoor Unit
30
Program Dry Operation
31
Clock and Calendar Setting (with Wired Remote Controller BRC1E73)
32
Schedule TIMER Operation (with Wired Remote Controller BRC1E73)
34
Drain Pump Control
37
Hot Start Control (in Heating Operation Only)
39
Other Functions
40
Control Specification
41
Mode Hierarchy
41
Frequency Control
42
Controls at Mode Changing/Start-Up
44
Discharge Pipe Temperature Control
46
Input Current Control
47
Freeze-Up Protection Control
48
Heating Peak-Cut Control
49
Outdoor Fan Control
50
Liquid Compression Protection Function
50
Defrost Control
51
Electronic Expansion Valve Control
52
Malfunctions
55
Part 5 Remote Controller
56
Wired Remote Controller (BRC1E73)
57
Wireless Remote Controller (BRC082A43)
63
Part 6 Service Diagnosis
65
General Problem Symptoms and Check Items
67
Troubleshooting with LED
68
Indoor Unit
68
Outdoor Unit
68
Service Diagnosis
69
Wired Remote Controller (BRC1E73)
69
Wireless Remote Controller (BRC082A43)
71
Troubleshooting
75
Error Codes and Description
75
Indoor Unit PCB Abnormality
76
Drain Level Control System Abnormality
77
Indoor Fan Motor (DC Motor) or Related Abnormality
78
Indoor Fan PCB Abnormality
80
Humidifier or Related Abnormality
81
Thermistor or Related Abnormality
82
Remote Controller Thermistor Abnormality
83
Signal Transmission Error (between Indoor Unit and Remote Controller)
84
Signal Transmission Error (between MAIN Remote Controller and SUB Remote Controller)
85
Low-Voltage Detection or Over-Voltage Detection
86
Signal Transmission Error (between Indoor Unit and Outdoor Unit)
88
Mismatching of Indoor Unit and Outdoor Unit
90
Outdoor Unit PCB Abnormality
91
OL Activation (Compressor Overload)
92
OL Activation (Compressor Overload) or HPS Activation (High Pressure Switch)
94
Compressor Lock
97
DC Fan Lock (Outdoor Fan Motor)
98
Input Overcurrent Detection
99
Four Way Valve Abnormality
100
Discharge Pipe Temperature Control
102
High Pressure Control in Cooling
103
System Shutdown Due to Temperature Abnormality in Compressor
105
Compressor System Sensor Abnormality
106
Position Sensor Abnormality
107
DC Voltage/Current Sensor Abnormality
109
Thermistor or Related Abnormality (Outdoor Unit)
110
Electrical Box Temperature Rise
112
Radiation Fin Temperature Rise
113
Output Overcurrent Detection
114
Check
116
Thermistor Resistance Check
116
Indoor Fan Motor Connector Check
117
Power Supply Waveforms Check
117
Electronic Expansion Valve Check
118
Four Way Valve Performance Check
119
Inverter Unit Refrigerant System Check
119
Inverter Analyzer Check
120
Outdoor Fan Motor Check
122
Installation Condition Check
123
Discharge Pressure Check
123
Outdoor Fan System Check
124
Main Circuit Short Check
124
Power Module Check
126
Part 7 Trial Operation and Field Settings
128
Pump down Operation
129
Forced Cooling Operation
130
Trial Operation
131
Field Settings
134
How to Change the Field Settings
134
Overview of the Field Settings
137
MAIN/SUB and Address Setting for Wireless Remote Controller
138
Facility Setting (Cooling at Low Outdoor Temperature)
140
Silicone Grease on Power Transistor/Diode Bridge
141
Part 8 Appendix
142
Piping Diagrams
143
Indoor Unit
143
Outdoor Unit
144
Wiring Diagrams
146
Indoor Unit
146
Outdoor Unit
147
Operation Limit
150
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Service Manual
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Operation Manual
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Daikin FDMQ09RVJU Specifications
General
Heating Capacity
3.2 kW
Refrigerant
R32
Power Supply
220-240V, 50Hz
Energy Efficiency Ratio (Cooling)
3.5
Outdoor Unit Noise Level
48 dB
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